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. 2022 Feb;12(2):1311–1323. doi: 10.21037/qims-21-189

Figure 5.

Figure 5

Correlation of various parameters with Ki-67 index and histological grade. (A,B,C,D,E,F) The correlation between Ki-67 index and magnetization transfer ratio asymmetry [MTRasym (3.5 ppm)], apparent diffusion coefficient (ADC), diffusion coefficient (D), perfusion fraction (f), distributed diffusion coefficient (DDC), and water molecular diffusion heterogeneity index (α) (r=0.395, r=–0.427, r=–0.529, r=0.355, r=–0.515, and r=0.367; P<0.05. (J,K,L) The correlation between histological grade and MTRasym (3.5 ppm) and ADC, D, f, DDC, and α (r=0.528, r=–0.417, r=–0.540, r=0.294, r=–0.473, and r=0.514; P<0.05).